74 T. V. HODGSON. 



EXPLANATION OF THE PLATES. 



PLATE I. 



1. Leptanthura glacialis, 9 , X 6. 



a. First antenna x 40. 



1. Second antenna x 40. 



c. Maxilla X 40. 



d. Maxilliped X 40. 



e. First appendage of mesosome X 40. 

 /. Second appendage of mesosome X 40. 

 g. Last appendage of the mesosome x 40. 



2. Gnathia antarctica, <f, x 14. 



3. Euneognathia gigas, $, x 6. 



a. Maxilliped X 15. 



b. First appendage of mesosome x 15. 



PLATE II. 

 1. JEga antarctica* x 3. 



2. Maxilla X 20. 



3. Maxilliped x 20. 



4. First appendage of mesosome X 16. 



5. Sixth appendage of mesosome X 16. 



PLATE III. 



1. Cirolmia meridionals, ? , X 2. 



2. First maxilla x 20. 



3. Second maxilla x 20. 



4. Maxilliped x 20. 



5. First appendage of mesosome X 7. 



6. Sixth appendage of mesosome x 7. 



PLATE IV. 



1. Strolls trilobitoides, <J , X 1, dorsal aspect. 



2. The same, ventral aspect. 



3. Specialised seta from mandibular palp, terminal joint x 312. 



4. First maxilla x 20. 



5. Second maxilla X 20. 



6. Maxilliped x 20. 



7. Sensory spine from propodns of second thoracic appendage x 312. 



8. Sensory lamella from propodus of second thoracic appendage X 312. 



PLATE V. 



Antarcturm. 



1. A. adareanug, ?, X 3. 



2. A.franklini, ?, X 3. 



3. A. australis, $, X 3. (This is the male of A.franklini.') 



* Not Ae. australis, as on the plate. 



